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Finding the Fourth Proportional to 25,067, 37,618.58 and 20,195.48

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Solution

The fourth proportional to 25,067, 37,618.58 and 20,195.48 is: 30,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067 : 37,618.58 = 20,195.48 : x
  2. Step 2: Convert to fraction form
    25,067/37,618.58 = 20,195.48/x
  3. Step 3: Cross multiply
    25,067x = 37,618.58 × 20,195.48
  4. Step 4: Simplify right side
    25,067x = 759,725,280.02
  5. Step 5: Solve for x
    x = 759,725,280.02/25,067
  6. Step 6: Final answer
    x = 30,307.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.